| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.50.178.241 | 3600s | 87-50-178-241-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Herning |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090302 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-09 01:33:57 | 756ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-09-01 20:02:06 | 590ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 14:09:18 | 4545ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-02 23:36:11 | 772ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 06:54:20 | 8654ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 02:09:16 | 809ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-07 00:12:03 | 2243ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 19:48:50 | 603ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 08:48:35 | 508ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 04:26:13 | 5080ms | 0 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 04:08:52 | 384ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 04:03:16 | 1364ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 04:01:10 | 448ms | 2 NS 1 A 0 MX | 🔒 Secure | View |